Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ee722d9ae6501a0…

MALICIOUS

PDF

17.2 KB Created: 2019-08-02 07:36:39 +01:00 Authoring application: mPDF 5.7
MD5: 4401a996ee0825dbf4a2908910f417b9 SHA-1: 49fd3addfc0eb86f9e72f273bf0da26346a5add2 SHA-256: 5ee722d9ae6501a0db0dd5370ed92df9028e34e7353610d442e6ea7ad8a0f5d3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, masquerading as children's literature. This technique is often used to drive traffic to malicious sites or to host further malicious content. The ML classifier also flagged this document as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://cefasfese.4pu.com/4738736738731734/Emil-s-Pranks-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/1733738732739739/Emil-in-the-Soup-Tureen-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/9737737737732734/Auswahlkriterien-Fur-Problemorientierte-Kinderliteratur-an-Den-Beispielen-Emil-Und-Die-Detektive-Von-Erich-Kastner-Anton-Zitterbacke-Von-Gerhard-Holtz-Baumert-Ronja-Raubertochter-Von-Astrid-Lindgren-by-Doro-Hoffmann.pdf
    • http://cefasfese.4pu.com/3734739734733/Mio-My-Son-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/1731734739733736/The-Tomten-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/1731730735739731736/Pippi-Moves-In-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/1730735732738736/Karlsson-on-the-Roof-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/4735735736730732/Pippi-Goes-to-the-Circus-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/4737730733733739/Weihnachten-in-Bullerb-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/7737734732731736/Karlson-Flies-Again-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/2733735732738738/Rasmus-and-the-Vagabond-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/3733738735730/Ronia-the-Robber-s-Daughter-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/2730738733732734/Pippi-in-the-South-Seas-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/3738732738736737/Pippi-Longstocking-in-the-Park-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/3730732733730737/Christmas-in-Noisy-Village-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/3730732733731734/The-Children-on-Troublemaker-Street-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/4737732737737/Pippi-in-the-South-Seas-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/6734736732739737/Pippi-Langstrumpf-geht-an-Bord-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/1739734732738734/Happy-Times-in-Noisy-Village-by-Astrid-Lindgren.pdf
    • http://cefasfese.4pu.com/1731730736730737738/The-New-Adventures-of-Pippi-Longstocking-2the-Story-Book-Based-on-the-Movie-by-Astrid-Lindgren.pdf

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